Rx Math [➌] – Valence ﹠ Osmolarity

Front 1

EQUATION:

mOsmol/L

➌

Back 1

➋: mOsm = (MW / #Species) x (1/1,000)

➌: mOsmol/L = [GLU ÷ 18] + [BUN ÷ 2.8] + [(2)(Na+)}

Front 2

mOsmol ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

DEXTROSE

Back 2

DEXTROSE = 1

Front 3

mOsmol ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

MANNITOL

Back 3

MANNITOL = 1

Front 4

mOsmol ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

Potassium Chloride

[KCl⁻]

Back 4

Potassium Chloride

[KCl⁻]

ℹ︎ = 2

Front 5

mOsmol ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

Sodium Chloride

[NaCl⁻]

Back 5

Sodium Chloride

[NaCl⁻]

ℹ︎ = 2

Front 6

OSMOLARITY ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

Sodium Acetate

[NaC₂H₃O₂]

Back 6

Sodium Acetate

[NaC₂H₃O₂]

ℹ︎ = 2

Front 7

mOsmol ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

Calcium Chloride

[CaCl₂]

Back 7

Calcium Chloride

[CaCl₂]

ℹ︎ = 3

Front 8

mOsmol ﹠ DISSOCIATION PARTICLES:

# of Dissociation particles for

Sodium Citrate

(Na₃C₆H₅O₇)

Back 8

Sodium Citrate

(Na₃C₆H₅O₇)

ℹ︎ = 4

Front 9

ISOTONICITY ﹠ E-value:

E-value

(equation)

Back 9

NOTE:

E value is the "sodium chloride equivalents" of the compound (drug)

Front 10

ISOTONICITY ﹠ E-value:

Number of Dissociated ions

Dissociation Factor – (ℹ︎)

2 ions = dissociation factor of _____

Back 10

(ℹ︎) = 1.8

Front 11

ISOTONICITY ﹠ E-value:

Number of Dissociated ions

Dissociation Factor – (ℹ︎)

3 ions = dissociation factor of _____

Back 11

(ℹ︎) = 2.6

Front 12

ISOTONICITY ﹠ E-value:

Number of Dissociated ions

Dissociation Factor – (ℹ︎)

4 ions = dissociation factor of _____

Back 12

(ℹ︎) = 3.4

Front 13

ISOTONICITY ﹠ E-value:

Number of Dissociated ions

Dissociation Factor – (ℹ︎)

5 ions = dissociation factor of _____

Back 13

(ℹ︎) = 4.2

Front 14

mEq ﹠ VALENCE:

mEq

➋

Back 14

➊: mEq = [ mg x valence ] / MW

➋: mEq = mmols / VALENCE

Front 15

mEq ﹠ VALENCE:

calcium chloride

CaCl₂

Back 15

VALENCE

of

2

Front 16

mEq: Compound﹠Valence:

magnesium sulfate

MgSO₄ ²⁻

Back 16

VALENCE

of

2

Front 17

mEq: Compound﹠Valence:

ferrous sulfate

FeSO₄ ²⁻

Back 17

VALENCE

of

2

Front 18

mEq: Compound﹠Valence:

potassium chloride

KCl⁻

Back 18

VALENCE

of

1

Front 19

mEq: Compound﹠Valence:

ammonium chloride

NH₄Cl

Back 19

VALENCE

of

1

Front 20

mEq: Compound﹠Valence:

sodium acetate

NaC₂H₃O₂

Back 20

VALENCE

of

1

Front 21

mEq: Compound﹠Valence:

potassium gluconate

KC₆H₁₁O₇

Back 21

VALENCE

of

1

Front 22

mEq: Compound﹠Valence:

calcium carbonate

CaCO₃

Back 22

VALENCE

of

2

Front 23

mEq: Compound﹠Valence:

disodium phosphate

Na₂HPO₄ ⁽²⁺⁾

Back 23

VALENCE

of

2